Basically, this fella named "Master Unreal" is working on a set of Episodes for a large project and Episode 1 is out and has been out (I'm not sure how long, as I've only heard about this today). Usually I'm too busy to be the one to catch this stuff, but yay! SP maps!
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From BU wrote:
I'm gonna sum this up as much as I can, after explaining it in depth a few times it can get rather tiring hehe. 8 planned episodes, 8 levels per episode, that's 64 levels planned out, of course this is just a plan for now, there may be few more or few less than 64 maps.
Each episode is to have its own little theme, and I got this idea from playing super mario 3 in my room one day lol. There is supposed to be alot of custom content made. This will probably be the shocker to some hehe, All of this is done by me, me, aaaand.....I think me
Episode 1 is available for download here, although this episode is a bit short, I think its worth seeing, I do NOT recommend playing unreal difficulty because it is extremely difficult, Hard would be the optimal choice but if you're feeling a bit insane, Unreal would be hard to tackle - http://mump.webs.com/ (Much thanks to W3RM)
The downloads are organized in this way, the map files are separated by episode, and the other files (.u, .utx, .umx, etc) will have their own download, this way I don't have to constantly update all the other .7z files.
As for Episode 2 it is in the works, here's a lil something to show you where I'm at now.
Here are some shots I found when browsing the download links.
I'm very early into it (3rd map), but it's interesting. Some of the "special" enemies and story remind me suspiciously of EXU, only the intent here is more serious. As I understand it the author is quite young though and from what I've played so far it's an interesting set of maps. Maybe take a gander.